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Sma 100 Firmware CVE-2019-7485

HIGH
Classic Buffer Overflow (CWE-120)
2019-12-19 PSIRT@sonicwall.com
Buffer Overflow RCE Sonicwall Sma 100 Firmware
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Dec 19, 2019 - 01:15 nvd
HIGH 8.8

DescriptionNVD

Buffer overflow in SonicWall SMA100 allows an authenticated user to execute arbitrary code in DEARegister CGI script. This vulnerability impacted SMA100 version 9.0.0.3 and earlier.

AnalysisAI

Buffer overflow in SonicWall SMA100 allows an authenticated user to execute arbitrary code in DEARegister CGI script. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Buffer overflow in SonicWall SMA100 allows an authenticated user to execute arbitrary code in DEARegister CGI script. This vulnerability impacted SMA100 version 9.0.0.3 and earlier. Affected products include: Sonicwall Sma 100 Firmware. Version information: version 9.0.0.3.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

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Same weakness CWE-120 – Classic Buffer Overflow

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CVE-2012-2763 HIGH POC
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Same technique Buffer Overflow

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CVE-2019-7485 vulnerability details – vuln.today
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